第14题: [单项选择]下列逻辑运算不正确的是 (11) 。 A. 1+1=2 B. 1+0=1 C. 0+0=0 D. 1+A=1 参考答案:A 答案解析:逻辑运算中,运算结果只有两种情况,结果为1或者0。逻辑“与”运算中,只要一个逻辑变量为0,结果就为0;逻辑“或”运算中,只要一个逻辑变量为1,结果就为1。所以答案为A。
第32题:[单选题] Why is the woman unwilling to go salsa dancing with Emma and John?(D) A. Because she doesn't have a partner. B. Because she wants to go with Donny. C. Because she has an appointment with Donny. D. Because she doesn't want to be the third wheel. 参考答案:D